diff --git a/docs/tutorials/designate.md b/docs/tutorials/designate.md
index 875eb14d9..345870e02 100644
--- a/docs/tutorials/designate.md
+++ b/docs/tutorials/designate.md
@@ -130,6 +130,7 @@ spec:
       labels:
         app: external-dns
     spec:
+      serviceAccountName: external-dns
       containers:
       - name: external-dns
         image: registry.opensource.zalan.do/teapot/external-dns:latest